Home / 11,565.24-15,960-6,260.16

Finding the Fourth Proportional to 11,565.24, 15,960 and 6,260.16

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Solution

The fourth proportional to 11,565.24, 15,960 and 6,260.16 is: 8,639.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,565.24 : 15,960 = 6,260.16 : x
  2. Step 2: Convert to fraction form
    11,565.24/15,960 = 6,260.16/x
  3. Step 3: Cross multiply
    11,565.24x = 15,960 × 6,260.16
  4. Step 4: Simplify right side
    11,565.24x = 99,912,153.60
  5. Step 5: Solve for x
    x = 99,912,153.60/11,565.24
  6. Step 6: Final answer
    x = 8,639.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.